397871360

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{271}}^1$

素因数の和:360

約数の個数: 144

約数和(自身を含む): 1014085632

約数和(自身を除く): 616214272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 37, 40, 62, 64, 74, 80, 124, 128, 148, 155, 160, 185, 248, 256, 271, 296, 310, 320, 370, 496, 542, 592, 620, 640, 740, 992, 1084, 1147, 1184, 1240, 1280, 1355, 1480, 1984, 2168, 2294, 2368, 2480, 2710, 2960, 3968, 4336, 4588, 4736, 4960, 5420, 5735, 5920, 7936, 8401, 8672, 9176, 9472, 9920, 10027, 10840, 11470, 11840, 16802, 17344, 18352, 19840, 20054, 21680, 22940, 23680, 33604, 34688, 36704, 39680, 40108, 42005, 43360, 45880, 47360, 50135, 67208, 69376, 73408, 80216, 84010, 86720, 91760, 100270, 134416, 146816, 160432, 168020, 173440, 183520, 200540, 268832, 293632, 310837, 320864, 336040, 346880, 367040, 401080, 537664, 621674, 641728, 672080, 734080, 802160, 1075328, 1243348, 1283456, 1344160, 1468160, 1554185, 1604320, 2150656, 2486696, 2566912, 2688320, 3108370, 3208640, 4973392, 5376640, 6216740, 6417280, 9946784, 10753280, 12433480, 12834560, 19893568, 24866960, 39787136, 49733920, 79574272, 99467840, 198935680, 397871360]

約数ペア:

[(1, 397871360), (2, 198935680), (4, 99467840), (5, 79574272), (8, 49733920), (10, 39787136), (16, 24866960), (20, 19893568), (31, 12834560), (32, 12433480), (37, 10753280), (40, 9946784), (62, 6417280), (64, 6216740), (74, 5376640), (80, 4973392), (124, 3208640), (128, 3108370), (148, 2688320), (155, 2566912), (160, 2486696), (185, 2150656), (248, 1604320), (256, 1554185), (271, 1468160), (296, 1344160), (310, 1283456), (320, 1243348), (370, 1075328), (496, 802160), (542, 734080), (592, 672080), (620, 641728), (640, 621674), (740, 537664), (992, 401080), (1084, 367040), (1147, 346880), (1184, 336040), (1240, 320864), (1280, 310837), (1355, 293632), (1480, 268832), (1984, 200540), (2168, 183520), (2294, 173440), (2368, 168020), (2480, 160432), (2710, 146816), (2960, 134416), (3968, 100270), (4336, 91760), (4588, 86720), (4736, 84010), (4960, 80216), (5420, 73408), (5735, 69376), (5920, 67208), (7936, 50135), (8401, 47360), (8672, 45880), (9176, 43360), (9472, 42005), (9920, 40108), (10027, 39680), (10840, 36704), (11470, 34688), (11840, 33604), (16802, 23680), (17344, 22940), (18352, 21680), (19840, 20054)]